A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6610-01-599-4462
NSN 5915-00-093-1930
NSN 2925-01-510-2221
NSN 5925-00-657-3092
NSN 5925-01-241-5091
NSN 6620-01-603-6442
NSN 6645-01-100-3296
NSN 6130-01-384-8248
NSN 5930-00-960-7223
NSN 7035-01-029-7221
NSN 5996-00-553-7348
NSN 5905-01-649-4030